Commodity Plastics
EPP Automotive — Expanded Polypropylene for Automotive Applications
EPP is a closed-cell, beaded foam that offers exceptional impact absorption, recovery from deformation, and excellent thermal insulation properties. Its lightweight nature and durability make it ideal for automotive interior components, protective packaging, and buoyancy applications.
EPPArproEppendorf
Manufacturers
3
Grades
3
Applications
4
Equivalents
2
Physical Properties
- Density
- 0.03-0.1 g/cm³ (foam)
- Water Absorption (24h)
- <1 %
- Transparency
- Opaque
- Shrinkage
- N/A (foam)
Mechanical Properties
- Young's Modulus
- Highly variable (foam)
- Tensile Strength
- Highly variable (foam)
- Elongation at Break
- Highly variable (foam)
- Impact Strength (Izod)
- Excellent energy absorption
Thermal Properties
- Glass Transition Temperature
- N/A (amorphous)
- Melting Point
- 160-165 °C (solid PP)
- Continuous Service Temperature
- 90-110 °C
- Heat Deflection Temperature
- N/A (foam)
Electrical Properties
- Dielectric Constant
- Around 1.5 (foam)
- Volume Resistivity
- >10¹³ Ω⋅cm (foam)
- Dielectric Strength
- High (foam)
Chemical Resistance
- Acids
- Good resistance
- Bases
- Good resistance
- Solvents
- Good resistance
- UV Resistance
- Poor (requires stabilization)
Sustainability
- Recyclability
- Recyclable
- Recycling Code
- 5 (PP)
- Carbon Footprint
- Moderate
Manufacturing compatibility
Bead moldingInjection molding (densified)
Applications
Automotive bumpers
Seat cushions
Tool case interiors
Protective packaging
Available grades
EPP 150EPP 250EPP 300